[Bug 111623] No package C-states on Dell XPS 15 9570 after resume from deep sleep
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Oct 16 19:16:53 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=111623
--- Comment #16 from Don Hiatt <don.hiatt at intel.com> ---
Okay, I can duplicate this issue when enable_guc=3, looks like there is an
issue with the 'kbl_guc_33.0.0.bin' firmware.
[dhiatt ~]$ sudo ./turbostat --quiet --show
CPU%c7,GFX%rc6,Totl%C0,Any%C0,GFX%C0
CPU%c7 GFX%rc6 Totl%C0 Any%C0 GFX%C0
99.16 100.70 1.25 0.98 0.00
99.08 100.71 1.25 0.98 0.00
99.24
CPU%c7 GFX%rc6 Totl%C0 Any%C0 GFX%C0
99.58 100.74 0.59 0.50 0.00
99.50 100.74 0.59 0.50 0.00
99.66
[dhiatt ~]$ sudo rtcwake -s 30 -m disk
rtcwake: assuming RTC uses UTC ...
rtcwake: wakeup from "disk" using /dev/rtc0 at Wed Oct 16 19:18:21 2019
[dhiatt ~]$ sudo ./turbostat --quiet --show
CPU%c7,GFX%rc6,Totl%C0,Any%C0,GFX%C0
CPU%c7 GFX%rc6 Totl%C0 Any%C0 GFX%C0
99.68 4.81 0.44 0.40 81.71
99.68 4.81 0.44 0.40 81.71
99.68
CPU%c7 GFX%rc6 Totl%C0 Any%C0 GFX%C0
99.75 4.83 0.32 0.30 81.72
99.75 4.83 0.32 0.30 81.72
99.76
[ 349.858510] Setting dangerous option enable_guc - tainting kernel
[ 349.858813] i915 0000:00:02.0: Incompatible option enable_guc=3 - GuC
submission is N/A
[ 349.858873] i915 0000:00:02.0: Found 64MB of eDRAM
[ 349.858884] i915 0000:00:02.0: vgaarb: deactivate vga console
[ 349.860277] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 349.860278] [drm] Driver supports precise vblank timestamp query.
[ 349.861550] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin
(v1.4)
[ 349.921602] [drm] GuC communication enabled
[ 349.925704] i915 0000:00:02.0: GuC firmware i915/kbl_guc_33.0.0.bin version
33.0 submission:disabled
[ 349.925705] i915 0000:00:02.0: HuC firmware i915/kbl_huc_4.0.0.bin version
4.0 authenticated:yes
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